MANCHESTER, ENGLAND - MAY 23: Members of the public attend a candlelit vigil, to honour the victims of Monday evening's terror attack, at Albert Square on May 23, 2017 in Manchester, England. Monday's explosion occurred at Manchester Arena as concert goers were leaving the venue after Ariana Grande had just finished performing. Greater Manchester Police are treating the explosion as a terrorist attack and have confirmed 22 fatalities and 59 injured. (Photo by Jeff J Mitchell/Getty Images)